Commitments and Contingencies - Schedule of Sublease Income (Details) $ in Thousands	Jun. 30, 2026 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2026	$ 63
2027 and thereafter	0
Total	$ 63

Operating Leases Future Minimum Sublease Income Due In Two Years

No definition available.

Name:	acet_OperatingLeasesFutureMinimumSubleaseIncomeDueInTwoYears
Namespace Prefix:	acet_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant